WO2024099181A1 - Procédé de détermination de temps de transmission en liaison montante, terminal et dispositif côté réseau - Google Patents

Procédé de détermination de temps de transmission en liaison montante, terminal et dispositif côté réseau Download PDF

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Publication number
WO2024099181A1
WO2024099181A1 PCT/CN2023/128589 CN2023128589W WO2024099181A1 WO 2024099181 A1 WO2024099181 A1 WO 2024099181A1 CN 2023128589 W CN2023128589 W CN 2023128589W WO 2024099181 A1 WO2024099181 A1 WO 2024099181A1
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WIPO (PCT)
Prior art keywords
tag
target
transmission
uplink
transmission object
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PCT/CN2023/128589
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English (en)
Chinese (zh)
Inventor
孙荣荣
拉盖施塔玛拉卡
刘昊
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维沃移动通信有限公司
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Publication of WO2024099181A1 publication Critical patent/WO2024099181A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements

Definitions

  • the present application belongs to the field of communication technology, and specifically relates to a method for determining uplink transmission time, a terminal, and a network-side device.
  • TRP transmission and reception point
  • the base station In order to ensure the orthogonality of uplink transmission and avoid intra-cell interference, the base station requires that the time when the signals from different terminals (User Equipment, UE) in the same subframe but different frequency domain resources arrive at the base station is basically aligned. As long as the base station receives the uplink data sent by the UE within the cyclic prefix (CP) range, it can correctly decode the uplink data. Therefore, uplink synchronization requires that the time when the signals from different UEs in the same subframe arrive at the base station falls within the CP.
  • CP cyclic prefix
  • Timing Advance is used for UE uplink transmission to ensure that the UE uplink data packet arrives at the base station within the desired time.
  • the specific implementation can be simply summarized as the base station measures the uplink signal, estimates the delay in RF transmission time caused by distance, and sends a timing advance command (TAC) to the UE to notify the UE to send the uplink transmission in advance by a corresponding amount of time.
  • TAC timing advance command
  • the uplink transmissions sent to different TRPs use the same TA.
  • sharing an uplink transmission time may cause the uplink transmission time difference of different users reaching one TRP to exceed the CP, thereby causing interference between users, and further reducing the performance of uplink transmission, and failing to achieve the purpose of improving throughput by multi-TRP transmission.
  • the embodiments of the present application provide a method for determining the uplink transmission time, a terminal, and a network-side device, which can solve the problem in the prior art that uplink transmissions sent to different TRPs in a multi-TRP scenario use the same TA, resulting in poor uplink transmission performance.
  • a method for determining an uplink transmission time is provided, which is applied to a terminal, and the method includes:
  • Receive parameter configuration information corresponding to one or more service cells from a network side device includes A timing advance group TAG identifier, wherein the TAG identifier is associated with a respective transmission object;
  • An uplink transmission time of the target transmission object is determined according to a target TAG identifier associated with the target transmission object.
  • a method for determining an uplink transmission time is provided, which is applied to a network side device, and the method includes:
  • Parameter configuration information corresponding to one or more serving cells is sent to the terminal; the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object; the parameter configuration information is used to determine the uplink transmission time of the target transmission object corresponding to the target serving cell.
  • a terminal including:
  • a first receiving module configured to receive parameter configuration information corresponding to one or more serving cells from a network side device;
  • the parameter configuration information includes a timing advance group TAG identifier, and the TAG identifier is associated with a respective transmission object;
  • a first determination module configured to determine, according to the parameter configuration information, a target transmission object corresponding to a target serving cell where the terminal is located among the transmission objects corresponding to the one or more serving cells;
  • the second determining module is used to determine the uplink transmission time of the target transmission object according to the target TAG identifier associated with the target transmission object.
  • a network side device including:
  • the first sending module is used to send parameter configuration information corresponding to one or more service cells to the terminal; the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object; the parameter configuration information is used to determine the uplink transmission time of the target transmission object corresponding to the target service cell.
  • a terminal comprising a processor and a memory, wherein the memory stores a program or instruction that can be run on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the first aspect are implemented.
  • a terminal comprising a processor and a communication interface, wherein the communication interface is used to receive parameter configuration information corresponding to one or more service cells from a network side device; the parameter configuration information includes a timing advance group TAG identifier, and the TAG identifier is associated with a respective transmission object; the processor is used to determine, according to the parameter configuration information, a target transmission object corresponding to a target service cell where the terminal is located among the transmission objects corresponding to the one or more service cells; and determine the uplink transmission time of the target transmission object according to the target TAG identifier associated with the target transmission object.
  • the communication interface is used to receive parameter configuration information corresponding to one or more service cells from a network side device
  • the parameter configuration information includes a timing advance group TAG identifier, and the TAG identifier is associated with a respective transmission object
  • the processor is used to determine, according to the parameter configuration information, a target transmission object corresponding to a target service cell where the terminal is located among the transmission objects corresponding to the one or more service cells;
  • a network side device which includes a processor and a memory, wherein the memory stores programs or instructions that can be run on the processor, and when the program or instructions are executed by the processor, the steps of the method described in the second aspect are implemented.
  • a network side device including a processor and a communication interface, wherein the processor is used to configure parameter configuration information corresponding to one or more serving cells; the communication interface is used to send the parameter configuration information to a terminal; the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object; the The parameter configuration information is used to determine the uplink transmission time of the target transmission object corresponding to the target serving cell.
  • a system for determining an uplink transmission time comprising: a terminal and a network side device, wherein the terminal can be used to execute the steps of the method for determining the uplink transmission time as described in the first aspect, and the network side device can be used to execute the steps of the method for determining the uplink transmission time as described in the second aspect.
  • a readable storage medium on which a program or instruction is stored.
  • the steps of the method for determining the uplink transmission time as described in the first aspect are implemented, or the steps of the method for determining the uplink transmission time as described in the second aspect are implemented.
  • a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the method for determining the uplink transmission time as described in the first aspect, or to implement the method for determining the uplink transmission time as described in the second aspect.
  • a computer program/program product is provided, wherein the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the steps of the method for determining the uplink transmission time as described in the first aspect, or to implement the steps of the method for determining the uplink transmission time as described in the second aspect.
  • parameter configuration information corresponding to one or more service cells is received from a network side device, the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object.
  • the target transmission object corresponding to the target server cell where the terminal is located is determined in the transmission objects corresponding to the one or more service cells, and then the uplink transmission time of the target transmission object is determined according to the target TAG identifier associated with the target transmission object.
  • the technical solution can pre-configure the parameter configuration information corresponding to one or more service cells by the network side device and send it to the terminal, so that the terminal can dynamically determine the uplink transmission time of the target transmission object according to the TAG identifier corresponding to the target service cell, and not all transmission objects use the same uplink transmission time, and can ensure the accuracy of the uplink transmission time of multiple TRPs, thereby improving the performance of uplink transmission.
  • FIG1 is a block diagram of a wireless communication system according to an embodiment of the present application.
  • FIG2 is a schematic diagram of an association relationship between a TAG and a cell according to an embodiment of the present application
  • FIG3 is a schematic flow chart of a method for determining an uplink transmission time according to an embodiment of the present application
  • FIGS. 4(a)-4(c) are schematic diagrams of an association relationship between a TAG and a transmission object according to an embodiment of the present application.
  • FIG5 is a schematic flow chart of a method for determining an uplink transmission time according to another embodiment of the present application.
  • FIG6 is a schematic flow chart of a method for determining an uplink transmission time according to yet another embodiment of the present application.
  • FIG7 is a schematic block diagram of a terminal according to an embodiment of the present application.
  • FIG8 is a schematic block diagram of a network side device according to an embodiment of the present application.
  • FIG9 is a schematic block diagram of a communication device according to an embodiment of the present application.
  • FIG10 is a schematic block diagram of a terminal according to another embodiment of the present application.
  • FIG11 is a schematic block diagram of a network-side device according to another embodiment of the present application.
  • first, second, etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by “first” and “second” are generally of the same type, and the number of objects is not limited.
  • the first object can be one or more.
  • “and/or” in the specification and claims represents at least one of the connected objects, and the character “/" generally represents that the objects associated with each other are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • NR new radio
  • FIG1 shows a block diagram of a wireless communication system applicable to an embodiment of the present application.
  • the wireless communication system includes a terminal 11 and a network side device 12 .
  • the terminal 11 can be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) equipment, a robot, a wearable device (Wearable Device), a vehicle-mounted device (VehicleUser Equipment, VUE), a pedestrian terminal (PedestrianUserEquipment, PUE), a smart home (home appliances with wireless communication functions, such as refrigerators, televisions, washing machines or furniture, etc.), a game console, a personal computer (personal computer,
  • the network side device 12 may include an access network device or a core network device, wherein the access network device may also be referred to as a radio access network device, a radio access network (RAN), a radio access network function or a radio access network unit.
  • the access network device may include a base station, a wireless local area network (WLAN) access point or a wireless fidelity (WiFi) node, etc.
  • WLAN wireless local area network
  • WiFi wireless fidelity
  • the base station may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (BTS), a radio base station, a radio transceiver, a basic service set (BSS), an extended service set (ESS), a home B node, a home evolved B node, a transmission reception point (TRP) or other appropriate terms in the field, as long as the same technical effect is achieved, the base station is not limited to a specific technical vocabulary, it should be noted that in the embodiment of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.
  • TAG time advance group
  • TAG is applied to carrier aggregation scenarios.
  • the delays introduced by multiple carriers are different, or the positions of the primary cells (PCell) and secondary cells (SCell) of different carriers are quite different.
  • PCell primary cells
  • SCell secondary cells
  • a unified TA cannot be used for processing. Therefore, the concept of TAG is introduced.
  • the TA corresponding to the same TAG is the same, and different TAGs correspond to different TA values.
  • FIG 2 is a schematic diagram of the association relationship between a TAG and a cell according to an embodiment of the present application.
  • the master cell group (MCG) includes the main cell PCell, the secondary cell SCell1, the secondary cell SCell2 and the secondary cell SCell3.
  • the secondary cell group includes the main and secondary cells PSCell, the secondary cell SCell4, the secondary cell SCell5 and the secondary cell Scell6.
  • the primary cell timing advance group (PCell TAG, PTAG) is a TAG including the primary cell
  • the secondary cell timing advance group (SCell TAG, STAG) is a TAG including the secondary cell.
  • PTAG associates the primary cell Pcell with the secondary cell SCell1
  • STAG associates the secondary cells SCell2 and SCell3.
  • PTAG associates the primary and secondary cells PScell with the secondary cell Scell4, and STAG associates the secondary cells Scell5 and Scell6.
  • FIG3 is a schematic flow chart of a method for determining uplink transmission time according to an embodiment of the present application. As shown in FIG3, the method is applied to a terminal and includes the following steps S302-S306:
  • the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object.
  • each service cell is configured with one or more TRPs.
  • Each TAG identifier is associated with one or more transmission objects sent to the TRP.
  • the association between the TAG identifier and the transmission object can be clarified in the following ways.
  • the parameter configuration information corresponding to the service cell only includes the TAG identifier, and each TAG identifier is agreed upon in the communication protocol between the network-side device and the terminal.
  • the transmission object associated with the TAG identifier can be used to clarify the association relationship between the TAG identifier and the transmission object, which is not limited in the embodiment of the present application.
  • the transmission object may include at least one of the following: a control resource set pool index (such as coresetpoolindex0, coresetpoolindex1), a channel sounding reference signal (Sounding Reference Signal, SRS) resource set, a transmission configuration indication (Transmission Configuration Indicator, TCI) status, a TCI status pool, a synchronization signal block (Synchronization Signaling Block, SSB) group, a physical cell identifier (Physical Cell ID, PCI), and an antenna port group.
  • a control resource set pool index such as coresetpoolindex0, coresetpoolindex1
  • SRS Sounding Reference Signal
  • the parameter configuration information for each service cell may include the following situations: the parameter configuration information includes two TAG identifiers, each TAG identifier is associated with an uplink transmission object; or, the parameter configuration information includes one TAG identifier, and the TAG identifier is associated with two transmission objects; or, the parameter configuration information includes one TAG identifier, and the TAG identifier is associated with one transmission object.
  • the association relationship between the TAG identifier and the transmission object may include any one of the following a1-a3:
  • parameter configuration information includes two TAG identifiers and two transmission objects, wherein each TAG identifier is associated with an uplink transmission object.
  • the parameter configuration information of a certain service cell includes two TAG identifiers, namely TAG0 and TAG1 , and each TAG identifier is associated with a transmission object, wherein TAG0 is associated with coresetpoolindex0 , and TAG1 is associated with coresetpoolindex1 .
  • Parameter configuration information includes a TAG identifier and two associated transmission objects.
  • the parameter configuration information of a certain serving cell includes a TAG identifier, namely, TAG0 , and TAG0 is associated with two transmission objects, namely, coresetpoolindex0 and coresetpoolindex1 .
  • parameter configuration information includes a TAG identifier and a transmission object associated with it.
  • the parameter configuration information of a certain serving cell includes a TAG identifier, namely, TAG2 , and TAG2 is associated with only one transmission object, namely, coresetpoolindex1 .
  • multiple serving cells are configured with the same TAG identifier, and the same TAG identifier is associated with the same transmission object.
  • the transmission objects associated with TAG0 all include coresetpoolindex0.
  • S304 Determine, according to the parameter configuration information, a target transmission object corresponding to the target serving cell where the terminal is located from the transmission objects corresponding to one or more serving cells.
  • the target transmission object corresponding to the target serving cell may include one or more. After determining the target transmission object corresponding to the target serving cell, the uplink transmission time of the target transmission object is determined for each target transmission object.
  • S306 Determine the uplink transmission time of the target transmission object according to the target TAG identifier associated with the target transmission object.
  • the parameter configuration information includes a TAG identifier, each TAG identifier is associated with its own transmission object, and according to the parameter configuration information, the target transmission object corresponding to the target server cell where the terminal is located is determined from the transmission objects corresponding to one or more service cells, and then the uplink transmission time of the target transmission object is determined according to the target TAG identifier associated with the target transmission object.
  • the technical solution can pre-configure the parameter configuration information corresponding to one or more service cells by the network side device and send it to the terminal, so that the terminal can dynamically determine the uplink transmission time of the target transmission object according to the TAG identifier corresponding to the target service cell, instead of all transmission objects using the same uplink transmission time, and can ensure the accuracy of the uplink transmission time of multiple TRPs, thereby improving the performance of uplink transmission.
  • each TAG identifier is associated with a downlink frame time.
  • the following steps A1-A3 may be performed:
  • Step A1 determine the uplink time adjustment amount corresponding to the target TAG identifier.
  • Step A2 Determine the uplink reference time corresponding to the target TAG identifier according to the downlink frame time corresponding to the target TAG identifier.
  • step A1 and step A2 is not limited.
  • the uplink reference time may be determined first and then the uplink time adjustment amount may be determined.
  • the uplink reference time and the uplink time adjustment amount may be determined simultaneously.
  • Step A3 determining the uplink transmission time of the target transmission object according to the uplink reference time and the uplink time adjustment amount.
  • the following describes in detail how to determine the uplink reference time corresponding to the target TAG identifier and the uplink time adjustment amount.
  • step A2 when executing step A2, i.e. determining the uplink reference time, first determine the reference cell in the first service cell according to the target TAG identifier; then determine the downlink frame time of the transmission object corresponding to the reference cell as the uplink reference time corresponding to the target TAG identifier.
  • the target TAG indicated by the target TAG identifier corresponds to multiple first service cells. This ensures that the TAG corresponding to the TAG identifier determines the accurate uplink reference time corresponding to the target transmission object.
  • a first service cell configured with two TAG identifiers, each of which is associated with a transmission object is determined as a reference cell.
  • a first service cell configured with only one TAG identifier is determined as a reference cell. In this way, the terminal only needs to measure the downlink time corresponding to the service cell (i.e., the reference cell) as the uplink reference time, without distinguishing the target object and then determining the uplink reference time, thereby reducing the complexity of terminal implementation.
  • the downlink frame time of the transmission object corresponding to the first service cell is obtained based on the downlink (DL) reference signal or DL channel measurement of the transmission object corresponding to the first service cell.
  • the DL reference signal or DL channel of the transmission object corresponding to the first service cell can be configured or indicated by the network side device. Based on this, the terminal can determine the DL reference signal or DL channel of the transmission object corresponding to the first service cell based on the configuration information or indication information of the network side device.
  • the terminal receives the Radio Resource Control (RRC) configuration information sent by the network side device, and the RRC configuration information carries the DL reference signal or DL channel information of the transmission object corresponding to each service cell.
  • the terminal can determine the first service cell based on the RRC configuration information.
  • the DL reference signal or DL channel of the transmission object corresponding to the cell can be configured or indicated by the network side device.
  • the terminal can determine the DL reference signal or DL channel of the transmission object corresponding to the first service cell based on the configuration information or indication information of the network side device.
  • RRC Radio Resource Control
  • the target service cell is a primary cell configured with two TAG identifiers.
  • the TAG corresponding to each TAG identifier is configured as a first-class TAG, or the TAG corresponding to one of the TAG identifiers is configured as a first-class TAG.
  • the first-class TAG can be a PTAG, that is, a TAG including the primary cell.
  • the TAG corresponding to each TAG identifier is a first-class TAG
  • the uplink transmission of the transmission object associated with the first-class TAG is released.
  • the TAG corresponding to one of the TAG identifiers is configured as a first-class TAG
  • all uplink transmissions corresponding to the terminal are released.
  • each TAG is configured with a time alignment timer (TAT) to control the synchronization time length of the service cell within the TAG.
  • TAT time alignment timer
  • the terminal receives the TAC, the TAT is started.
  • the terminal expires, the terminal cannot perform uplink transmission.
  • the "loss of synchronization" mentioned in this embodiment can be understood as the expiration of the corresponding TAT.
  • the first type of TAG loses synchronization, that is, the TAT corresponding to the first type of TAG expires.
  • the TAG corresponding to the TAG identifier whose associated transmission object is coresetpoolindex 0 is a first-class TAG.
  • the network side device may configure the first type of TAG, and the terminal may determine which of the two TAG identifiers corresponds to the TAG of the first type of TAG according to the configuration information of the network side device. Based on this, the terminal may receive RRC configuration information sent by the network side device, and the RRC configuration information carries TAG identifier information corresponding to the first type of TAG. The terminal may determine that the TAG corresponding to one of the two TAG identifiers is the first type of TAG according to the RRC configuration information sent by the network side device.
  • the target service cell where the terminal is located is a primary cell configured with two TAG identifiers.
  • the terminal can determine that the TAG corresponding to the TAG identifier associated with the target transmission object (that is, the transmission object corresponding to the target service cell where the terminal is located) is a first-class TAG, and the first-class TAG is a TAG including the primary cell.
  • the transmission object of the target service cell is not associated with the PCI identifier.
  • the first type TAG loses synchronization, all uplink transmissions corresponding to the terminal are released.
  • the first type TAG loses synchronization, that is, the TAT corresponding to the first type TAG expires.
  • the following steps B1-B3 may be executed:
  • Step B1 receiving a physical downlink control channel (PDCCH) associated with a target transmission object, where the PDCCH carries an object identifier of the target transmission object and/or a target TAG identifier associated with the target transmission object.
  • PDCCH physical downlink control channel
  • the terminal When the terminal receives the PDCCH, it triggers the Random Access CHannel (RACH) process, thereby receiving the uplink time adjustment amount configured by the terminal side device during the RACH process.
  • RACH Random Access CHannel
  • Step B2 Based on the PDCCH, first information corresponding to the target transmission object is sent to the network side device. The first information is used to determine the uplink timing adjustment amount corresponding to the target transmission object.
  • the network side device determines the uplink timing adjustment amount corresponding to the target transmission object based on the first information, and carries the uplink timing adjustment amount in a random access response (Random Access Response, RAR) and sends it to the terminal.
  • RAR Random Access Response
  • the first information can be a random signal preamble.
  • the network side device can determine the uplink time adjustment amount by measuring the preamble.
  • the first information sent by the terminal to the network side device is not limited to the preamble, but can also be any other type of information.
  • any signal sent by the terminal can be used to measure the uplink time adjustment amount, such as the Sounding Reference Signal (SRS), the Demodulation Reference Signal (DM-RS), the Channel Quality Indicator (CQI), the Acknowledgement (ACK), the Negative Acknowledgement (NACK), the Physical Uplink Shared Channel (PUSCH), etc.
  • SRS Sounding Reference Signal
  • DM-RS Demodulation Reference Signal
  • CQI Channel Quality Indicator
  • ACK Acknowledgement
  • NACK Negative Acknowledgement
  • PUSCH Physical Uplink Shared Channel
  • Step B3 receiving the RAR sent by the network side device, and determining the uplink timing adjustment amount based on the RAR.
  • the quasi co-location (QCL) relationship corresponding to the PDCCH is determined based on the QCL relationship of the type 1 common search space (CSS), or based on the PDCCH associated with the same transmission object as the first type 1 CSS.
  • the QCL relationship of the PDCCH is determined based on the QCL relationship of the type 1 CSS corresponding to the PDCCH.
  • the first condition includes: the PDCCH comes from a second serving cell that does not belong to the primary cell, or the PDCCH comes from a third serving cell corresponding to the associated PCI of the primary cell.
  • the terminal discards the uplink transmission of the first transmission object of the two target transmission objects.
  • the uplink transmission of the first transmission object may include at least one of the following: uplink transmission associated with a specific control resource set pool index (such as coresetpoolindex0), and uplink transmission with a later uplink transmission time.
  • a specific control resource set pool index such as coresetpoolindex0
  • the terminal may report to the network side device that the terminal has the capability to discard the uplink transmission of the first transmission object.
  • the network-side device can ensure that uplink transmissions associated with different TAG identifiers do not overlap through network scheduling.
  • the network-side device ensures that uplink transmissions associated with different TAG identifiers are separated by a certain time through network scheduling. For example, the interval between uplink transmissions associated with different TAG identifiers is greater than or equal to a preset threshold, which can be reported by the terminal to the network-side device, or configured by the network-side device in the RRC, or can also be predefined based on a protocol between the terminal and the network-side device.
  • the interval between the uplink transmissions of the two target transmission objects is greater than or equal to a preset threshold.
  • the preset threshold can be reported by the terminal to the network side device, or configured by the network side device in the RRC, or can also be predefined based on the protocol between the terminal and the network side device.
  • Table 1 below schematically lists several preset thresholds under subcarrier spacing.
  • FR1 Frequency range 1
  • FR2 Frequency range 2
  • NR 5G New Radio
  • the preset threshold can also be an orthogonal frequency division multiplexing (OFDM) symbol.
  • OFDM orthogonal frequency division multiplexing
  • FIG5 is a schematic flow chart of a method for determining uplink transmission time according to another embodiment of the present application. As shown in FIG5, the method is applied to a network side device and includes the following steps S502:
  • the parameter configuration information including a TAG identifier
  • the TAG identifier is associated with a respective transmission object
  • the parameter configuration information is used to determine an uplink transmission time of a target transmission object corresponding to a target serving cell.
  • each TAG identifier is associated with one or more transmission objects sent to the TRP.
  • the association relationship between the TAG identifier and the transmission object can be clarified in the following ways.
  • the parameter configuration information corresponding to the service cell only includes the TAG identifier, and the network side device configures the transmission object associated with each TAG identifier through other configuration information, wherein the configuration information of the other configuration information is not limited.
  • the parameter configuration information corresponding to the service cell only includes the TAG identifier, and the transmission object associated with each TAG identifier is agreed upon in the communication protocol between the network side device and the terminal.
  • other methods can also be used to clarify the association relationship between the TAG identifier and the transmission object, and the embodiments of the present application do not limit this.
  • the network side device pre-configures parameter configuration information corresponding to one or more service cells, and sends the parameter configuration information corresponding to one or more service cells to the terminal.
  • the parameter configuration information includes a TAG identifier, and each TAG identifier is associated with its own transmission object, so that the terminal can dynamically determine the uplink transmission time of the target transmission object according to the TAG identifier corresponding to the target service cell, instead of all transmission objects using the same uplink transmission time, and can ensure the uplink transmission time of multiple TRPs is accurate, thereby improving the performance of uplink transmission.
  • the transmission object includes at least one of the following: a resource set pool index (such as coresetpoolindex 0, coresetpoolindex 1), an SRS resource set, a TCI status, a TCI status pool, an SSB group, a PCI, and an antenna port group.
  • a resource set pool index such as coresetpoolindex 0, coresetpoolindex 1
  • the parameter configuration information for each service cell may include the following situations: the parameter configuration information includes two TAG identifiers, and each TAG identifier is associated with an uplink transmission object; or, the parameter configuration information includes one TAG identifier, and the TAG identifier is associated with two transmission objects; or, the parameter configuration information includes one TAG identifier, and the TAG identifier is associated with one transmission object.
  • the association relationship between the TAG identifier and the transmission object may include: Any of a1-a3:
  • parameter configuration information includes two TAG identifiers and two transmission objects, wherein each TAG identifier is associated with an uplink transmission object.
  • the parameter configuration information of a certain service cell includes two TAG identifiers, namely TAG0 and TAG1 , and each TAG identifier is associated with a transmission object, wherein TAG0 is associated with coresetpoolindex0 , and TAG1 is associated with coresetpoolindex1 .
  • Parameter configuration information includes a TAG identifier and two associated transmission objects.
  • the parameter configuration information of a certain serving cell includes a TAG identifier, namely, TAG0 , and TAG0 is associated with two transmission objects, namely, coresetpoolindex0 and coresetpoolindex1 .
  • parameter configuration information includes a TAG identifier and a transmission object associated with it.
  • multiple serving cells are configured with the same TAG identifier, and the same TAG identifier is associated with the same transmission object.
  • each TAG identifier is associated with a downlink frame time.
  • the network side device indicates that the TAG corresponding to one of the two TAG identifiers is a first-category TAG; the first-category TAG is a TAG including a primary cell.
  • the network side device when the network side device indicates that the TAG corresponding to one of the two TAG identifiers is a first-category TAG, if the transmission object is coresetpoolindex 0, it indicates that the TAG corresponding to the TAG identifier associated with the transmission object is a first-category TAG.
  • the network side device sends RRC configuration information to the terminal, and the RRC configuration information carries at least one of the following information: a DL reference signal or DL channel of a transmission object corresponding to each service cell; indication information of the first type of TAG (i.e., indicating which TAG identifier corresponds to the TAG of the first type of TAG); and a minimum threshold value for the interval between uplink transmissions of two transmission objects corresponding to the same service cell, i.e., ensuring that the uplink transmissions of two transmission objects corresponding to the same service cell do not overlap.
  • indication information of the first type of TAG i.e., indicating which TAG identifier corresponds to the TAG of the first type of TAG
  • a minimum threshold value for the interval between uplink transmissions of two transmission objects corresponding to the same service cell i.e., ensuring that the uplink transmissions of two transmission objects corresponding to the same service cell do not overlap.
  • the network side device configures an associated uplink time adjustment amount for each TAG identifier. Specifically, first, the network side device sends a PDCCH associated with a target transmission object to the terminal, the PDCCH carries the object identifier of the target transmission object and/or the target TAG identifier associated with the target transmission object, then the network side device receives the first information corresponding to the target transmission object sent by the terminal, and then determines the uplink time adjustment amount corresponding to the target transmission object according to the first information, and carries the uplink time adjustment amount in the RAR and sends it to the terminal.
  • the first information may be a preamble.
  • the network side device may determine the uplink timing adjustment amount by measuring the preamble. It should be noted that the first information sent by the terminal to the network side device is not limited to the preamble, but may also be any other type of information. Theoretically, any signal sent by the terminal may be used to measure the uplink timing adjustment amount, such as SRS, DM-RS, CQI, ACK, NACK, PUSCH, etc.
  • the network side device receives a capability reported by the terminal, the capability including: when the serving cell includes two transmission objects and the uplink transmission times of the two transmission objects overlap, the capability of discarding the uplink transmission of the first transmission object.
  • the uplink transmission of the first transmission object is the uplink transmission that meets the discard condition.
  • the discarding condition includes at least one of the following: being associated with a specific control resource set pool index (such as coresetpoolindex 0) and a late uplink transmission time.
  • FIG6 is a schematic flow chart of a method for determining uplink transmission time according to another embodiment of the present application. As shown in FIG6 , the method is applied to a system for determining uplink transmission time, the system including a terminal and a network side device, and including the following steps S602-S610:
  • the network side device sends parameter configuration information corresponding to one or more serving cells to the terminal, where the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object.
  • S604 The terminal receives parameter configuration information corresponding to one or more service cells sent by the network side device.
  • the terminal determines, according to the parameter configuration information, a target transmission object corresponding to the target serving cell where the terminal is located from the transmission objects corresponding to one or more serving cells.
  • the terminal determines the uplink transmission time of the target transmission object according to the target TAG identifier associated with the target transmission object.
  • the terminal transmits the target transmission object to the corresponding TRP according to the uplink transmission time of the target transmission object.
  • the network side device pre-configures parameter configuration information corresponding to one or more service cells and sends it to the terminal.
  • the terminal receives the parameter configuration information corresponding to one or more service cells, and determines the TAG identifier corresponding to the target service cell where the terminal is located according to the parameter configuration information, and then dynamically determines the uplink transmission time of the target transmission object according to the TAG identifier corresponding to the target service cell. Not all transmission objects use the same uplink transmission time, and the uplink transmission time of multiple TRPs can be ensured to be accurate, thereby improving the performance of uplink transmission.
  • the method for determining the uplink transmission time provided in the embodiment of the present application may be executed by a terminal.
  • the embodiment of the present application takes the method for determining the uplink transmission time performed by a terminal as an example to illustrate the terminal provided in the embodiment of the present application.
  • FIG7 is a schematic block diagram of a terminal according to an embodiment of the present application. As shown in FIG7 , it includes:
  • a first receiving module 71 is configured to receive parameter configuration information corresponding to one or more serving cells from a network side device; the parameter configuration information includes a timing advance group TAG identifier, and the TAG identifier is associated with a respective transmission object;
  • a first determining module 72 configured to determine, according to the parameter configuration information, a target transmission object corresponding to a target serving cell where the terminal is located from among the transmission objects corresponding to the one or more serving cells;
  • the second determining module 73 is configured to determine the uplink transmission time of the target transmission object according to the target TAG identifier associated with the target transmission object.
  • the transmission object includes at least one of the following: a control resource set pool index, a channel sounding reference signal SRS resource set, a transmission configuration indication TCI state, a TCI state pool, a synchronization signal block SSB grouping, and a physical cell identifier PCI.
  • the parameter configuration information includes two TAG identifiers, each of which is associated with one uplink transmission object; or,
  • the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with two transmission objects; or,
  • the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a transmission object.
  • the multiple serving cells are configured with the same TAG identifier, and the same TAG identifier is associated with the same transmission object.
  • each TAG identifier is associated with a downlink frame time
  • the second determining module 73 includes:
  • a first determining unit configured to determine an uplink reference time corresponding to the target TAG identifier according to a downlink frame time corresponding to the target TAG identifier
  • a second determining unit configured to determine an uplink timing adjustment amount corresponding to the target TAG identifier
  • a third determining unit is configured to determine the uplink transmission time of the target transmission object according to the uplink reference time and the uplink time adjustment amount.
  • the first determining unit is further configured to:
  • the downlink frame time of the transmission object corresponding to the reference cell is determined as the uplink reference time corresponding to the target TAG identifier.
  • the first determining unit is further configured to:
  • the first serving cell configured with only one TAG identifier is determined as the reference cell.
  • a plurality of transmission objects are configured in the target serving cell;
  • the target serving cell is a primary cell configured with two TAG identifiers;
  • the TAG corresponding to each of the TAG identifiers is configured as a first-type TAG, or the TAG corresponding to one of the TAG identifiers is configured as the first-type TAG; the first-type TAG is a TAG including a primary cell.
  • the TAG corresponding to each of the TAG identifiers is a first-category TAG; and the terminal further includes:
  • the first releasing module is used to release the uplink transmission of the transmission object associated with the first type TAG if the first type TAG loses synchronization.
  • a TAG corresponding to one of the TAG identifiers is configured as the first type of TAG; and the terminal further includes:
  • the second release module is used to release all uplink transmissions corresponding to the terminal if the first type TAG loses synchronization.
  • the terminal further includes:
  • the fourth determination module is used to determine, according to the RRC configuration information sent by the network side device, that the TAG corresponding to one of the two TAG identifiers is the first type of TAG.
  • a plurality of TRPs are configured between the serving cells;
  • the target serving cell is a primary cell configured with two TAG identifiers;
  • the terminal further includes:
  • the fifth determination module is used to determine that the TAG corresponding to the TAG identifier associated with the target transmission object is a first-type TAG; the first-type TAG is a TAG including a primary cell.
  • the terminal further includes:
  • the third release module is used to release all uplink transmissions corresponding to the terminal if the first type TAG loses synchronization.
  • the first determining unit is further configured to:
  • the PDCCH receives a physical downlink control channel PDCCH associated with the target transmission object; the PDCCH carries an object identifier of the target transmission object and/or the target TAG identifier;
  • first information corresponding to the target transmission object is sent to the network side device; the first information is used to determine the uplink time adjustment amount corresponding to the target transmission object;
  • a random access response RAR sent by the network side device is received, and the RAR is determined to carry the uplink timing adjustment amount.
  • the quasi co-site QCL relationship of the PDCCH is determined based on the QCL relationship of the type 1 common search space CSS corresponding to the PDCCH, or based on the PDCCH associated with the same transmission object as the type 1 CSS.
  • the QCL relationship of the PDCCH is determined based on the QCL relationship of the type 1 CSS corresponding to the PDCCH;
  • the first condition includes: the PDCCH comes from a second serving cell that does not belong to the primary cell, or the PDCCH comes from a third serving cell corresponding to an associated PCI of the primary cell.
  • the terminal further includes:
  • the uplink transmission of the first transmission object of the two target transmission objects is discarded.
  • the uplink transmission of the first transmission object includes at least one of the following:
  • the terminal further includes:
  • the reporting module is used for reporting to the network side device that the terminal has the capability to discard the uplink transmission of the first transmission object among the two target transmission objects before discarding the uplink transmission of the first transmission object.
  • an interval between uplink transmissions of the two target transmission objects is greater than or equal to a preset threshold
  • the preset threshold is reported by the terminal to the network side device, or the preset threshold is configured by RRC, or the preset threshold is predefined based on a protocol between the terminal and the network side device.
  • parameter configuration information corresponding to one or more service cells is received from a network side device, the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object.
  • the target transmission object corresponding to the target server cell where the terminal is located is determined in the transmission objects corresponding to the one or more service cells, and then the uplink transmission time of the target transmission object is determined according to the target TAG identifier associated with the target transmission object.
  • the technical solution can pre-configure the parameter configuration information corresponding to one or more service cells by the network side device and send it to the terminal, so that the terminal can dynamically determine the uplink transmission time of the target transmission object according to the TAG identifier corresponding to the target service cell, and not all transmission objects use the same uplink transmission time, and can ensure the accuracy of the uplink transmission time of multiple TRPs, thereby improving the performance of uplink transmission.
  • the terminal in the embodiments of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or may be another device other than a terminal.
  • the terminal may include but is not limited to the types of terminals listed above, and other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiments of the present application.
  • NAS network attached storage
  • the terminal provided in the embodiment of the present application can implement each process implemented in the method embodiment of Figure 3 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • FIG8 is a schematic block diagram of a network side device according to an embodiment of the present application. As shown in FIG8 , it includes:
  • the first sending module 81 is used to send parameter configuration information corresponding to one or more service cells to the terminal; the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object; the parameter configuration information is used to determine the uplink transmission time of the target transmission object corresponding to the target service cell.
  • the transmission object includes at least one of the following: a resource set pool index, an SRS resource set, a TCI state, a TCI state pool, an SSB group, and a PCI.
  • the parameter configuration information includes two TAG identifiers, each of which is associated with one uplink transmission object; or,
  • the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with two transmission objects; or,
  • the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a transmission object.
  • the multiple serving cells are configured with the same TAG identifier, and the same TAG identifier is associated with the same transmission object.
  • each TAG identifier is associated with a downlink frame time.
  • the network side device further includes:
  • the indication module is used to indicate, for the serving cell configured with two TAG identifiers, that the TAG corresponding to one of the two TAG identifiers is a first-category TAG; the first-category TAG is a TAG including a primary cell.
  • the network side device further includes:
  • a second sending module used to send RRC configuration information to the terminal
  • the RRC configuration information carries at least one of the following:
  • the indication information of the first type of TAG is the indication information of the first type of TAG.
  • the minimum threshold for the interval between uplink transmissions of two transmission objects corresponding to the same serving cell is the minimum threshold for the interval between uplink transmissions of two transmission objects corresponding to the same serving cell.
  • the network side device further includes:
  • a third sending module is used to send a PDCCH associated with a target transmission object to the terminal;
  • the PDCCH carries an object identifier of the target transmission object and/or a target TAG identifier associated with the target transmission object;
  • a second receiving module used to receive first information corresponding to the target transmission object sent by the terminal
  • the sixth determination module is used to determine the uplink timing adjustment amount corresponding to the target transmission object according to the first information, and carry the uplink timing adjustment amount in the RAR to send it to the terminal.
  • the network side device further includes:
  • a third receiving module is used to receive the capabilities reported by the terminal; the capabilities include: when the transmission objects corresponding to the serving cell include two and the uplink transmission times of the two transmission objects overlap, the uplink transmission capability for the first transmission object is discarded; the uplink transmission of the first transmission object is the uplink transmission that meets the discard condition;
  • the discarding condition includes at least one of the following: an associated specific control resource set pool index and a late uplink transmission time.
  • the network side device pre-configures parameter configuration information corresponding to one or more service cells, and sends the parameter configuration information corresponding to one or more service cells to the terminal.
  • the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with each transmission object, so that the terminal can dynamically determine the uplink transmission time of the target transmission object according to the TAG identifier corresponding to the target service cell, instead of all transmission objects using the same uplink transmission time, and can ensure the uplink transmission time of multiple TRPs is accurate, thereby improving the performance of uplink transmission.
  • the network side device in the embodiments of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a network side device, or may be other devices other than a terminal.
  • the network side device may include but is not limited to the types of network side devices listed above, and other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiments of the present application.
  • the network side device provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 5 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application further provides a communication device 900, including a processor 901 and a memory 902, wherein the memory 902 stores a program or instruction that can be run on the processor 901.
  • the communication device 900 is a terminal
  • the program or instruction is executed by the processor 901 to implement the various steps of the embodiment of the method for determining the uplink transmission time, and can achieve the same technical effect.
  • the communication device 900 is a network side device
  • the program When the or instruction is executed by the processor 901 the various steps of the above-mentioned method for determining the uplink transmission time are implemented, and the same technical effect can be achieved. To avoid repetition, they are not repeated here.
  • the embodiment of the present application also provides a terminal, including a processor and a communication interface, the communication interface is used to receive parameter configuration information corresponding to one or more service cells sent by a network side device; the parameter configuration information includes mutually related timing advance group TAG identifiers and transmission objects; the processor is used to determine the target transmission object corresponding to the target service cell where the terminal is located according to the parameter configuration information; according to the target TAG identifier associated with the target transmission object, determine the uplink transmission time of the target transmission object.
  • This terminal embodiment corresponds to the above-mentioned terminal side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the terminal embodiment, and can achieve the same technical effect.
  • Figure 10 is a schematic diagram of the hardware structure of a terminal that implements an embodiment of the present application.
  • the terminal 1000 includes but is not limited to: a radio frequency unit 1001, a network module 1002, an audio output unit 1003, an input unit 1004, a sensor 1005, a display unit 1006, a user input unit 1007, an interface unit 1008, a memory 1009 and at least some of the components of a processor 1010.
  • the terminal 1000 can also include a power supply (such as a battery) for supplying power to each component, and the power supply can be logically connected to the processor 1010 through a power management system, so as to implement functions such as charging, discharging, and power consumption management through the power management system.
  • a power supply such as a battery
  • the terminal structure shown in FIG10 does not constitute a limitation on the terminal, and the terminal can include more or fewer components than shown in the figure, or combine certain components, or arrange components differently, which will not be described in detail here.
  • the input unit 1004 may include a graphics processing unit (GPU) 10041 and a microphone 10042, and the graphics processing unit 10041 processes the image data of a static picture or video obtained by an image capture device (such as a camera) in a video capture mode or an image capture mode.
  • the display unit 1006 may include a display panel 10061, and the display panel 10061 may be configured in the form of a liquid crystal display, an organic light emitting diode, etc.
  • the user input unit 1007 includes a touch panel 10071 and at least one of other input devices 10072.
  • the touch panel 10071 is also called a touch screen.
  • the touch panel 10071 may include two parts: a touch detection device and a touch controller.
  • Other input devices 10072 may include, but are not limited to, a physical keyboard, function keys (such as a volume control key, a switch key, etc.), a trackball, a mouse, and a joystick, which will not be repeated here.
  • the RF unit 1001 can transmit the data to the processor 1010 for processing; in addition, the RF unit 1001 can send uplink data to the network side device.
  • the RF unit 1001 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the memory 1009 can be used to store software programs or instructions and various data.
  • the memory 1009 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the memory 1009 may include a volatile memory or a non-volatile memory, or the memory 1009 may include both volatile and non-volatile memories.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or an electrically erasable programmable read-only memory (EEPROM). Or flash memory.
  • ROM read-only memory
  • PROM programmable read-only memory
  • EPROM erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • Volatile memory can be random access memory (Random Access Memory, RAM), static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synchlink DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Double Data Rate SDRAM Double Data Rate SDRAM
  • DDRSDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synchlink DRAM, SLDRAM synchronous connection dynamic random access memory
  • the processor 1010 may include one or more processing units; optionally, the processor 1010 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 1010.
  • the radio frequency unit 1001 is used to receive parameter configuration information corresponding to one or more service cells from a network side device; the parameter configuration information includes a timing advance group TAG identifier, and the TAG identifier is associated with a respective transmission object.
  • the processor 1010 is used to determine, according to the parameter configuration information, a target transmission object corresponding to the target service cell where the terminal is located in the transmission objects corresponding to the one or more service cells; and determine the uplink transmission time of the target transmission object according to the target TAG identifier associated with the target transmission object.
  • parameter configuration information corresponding to one or more service cells is received from a network side device, the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object.
  • the target transmission object corresponding to the target server cell where the terminal is located is determined in the transmission objects corresponding to the one or more service cells, and then the uplink transmission time of the target transmission object is determined according to the target TAG identifier associated with the target transmission object.
  • the technical solution can pre-configure the parameter configuration information corresponding to one or more service cells by the network side device and send it to the terminal, so that the terminal can dynamically determine the uplink transmission time of the target transmission object according to the TAG identifier corresponding to the target service cell, and not all transmission objects use the same uplink transmission time, and can ensure the accuracy of the uplink transmission time of multiple TRPs, thereby improving the performance of uplink transmission.
  • the transmission object includes at least one of the following: a control resource set pool index, a channel sounding reference signal SRS resource set, a transmission configuration indication TCI state, a TCI state pool, a synchronization signal block SSB grouping, and a physical cell identifier PCI.
  • the parameter configuration information includes two TAG identifiers, and each TAG identifier is associated with one uplink transmission object; or,
  • the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a transmission object.
  • the multiple serving cells are configured with the same TAG identifier, and the same TAG identifier is associated with the same transmission object.
  • each TAG identifier is associated with a downlink frame time
  • the processor 1010 is further configured to:
  • processor 1010 is further configured to:
  • the downlink frame time of the transmission object corresponding to the reference cell is determined as the uplink reference time corresponding to the target TAG identifier.
  • processor 1010 is further configured to:
  • the first serving cell configured with only one TAG identifier is determined as a reference cell.
  • a plurality of the transmission objects are configured in the target serving cell;
  • the target serving cell is a primary cell configured with two TAG identifiers;
  • the TAG corresponding to each of the TAG identifiers is configured as a first-type TAG, or the TAG corresponding to one of the TAG identifiers is configured as the first-type TAG; the first-type TAG is a TAG including a primary cell.
  • the TAG corresponding to each of the TAG identifiers is a first-category TAG; and the processor 1010 is further configured to:
  • the uplink transmission of the transmission object associated with the first type TAG is released.
  • a TAG corresponding to one of the TAG identifiers is configured as the first type of TAG; and the processor 1010 is further configured to:
  • processor 1010 is further configured to:
  • the TAG corresponding to one of the two TAG identifiers is the first type of TAG.
  • a plurality of TRPs are configured between the serving cells;
  • the target serving cell is a primary cell configured with two TAG identifiers;
  • the processor 1010 is further configured to:
  • the TAG corresponding to the TAG identifier associated with the target transmission object is a first-type TAG; the first-type TAG is a TAG including a primary cell.
  • processor 1010 is further configured to:
  • processor 1010 is further configured to:
  • the PDCCH receives a physical downlink control channel PDCCH associated with the target transmission object; the PDCCH carries an object identifier of the target transmission object and/or the target TAG identifier;
  • first information corresponding to the target transmission object is sent to the network side device; the first information is used to determine the uplink time adjustment amount corresponding to the target transmission object;
  • a random access response RAR sent by the network side device is received, where the RAR carries the uplink timing adjustment amount.
  • the quasi-co-site QCL relationship of the PDCCH is determined based on the QCL relationship of the type 1 common search space CSS corresponding to the PDCCH, or is determined based on the PDCCH associated with the same transmission object as the type 1 CSS.
  • the QCL relationship of the PDCCH is determined based on the QCL relationship of the type1CSS corresponding to the PDCCH;
  • the first condition includes: the PDCCH comes from a second serving cell that does not belong to the primary cell, or the PDCCH comes from a third serving cell corresponding to an associated PCI of the primary cell.
  • processor 1010 is further configured to:
  • the uplink transmission of the first transmission object of the two target transmission objects is discarded.
  • the uplink transmission of the first transmission object includes at least one of the following:
  • processor 1010 is further configured to:
  • the target serving cell corresponds to two target transmission objects, and an interval between uplink transmissions of the two target transmission objects is greater than or equal to a preset threshold;
  • the preset threshold is reported by the terminal to the network side device, or the preset threshold is configured by RRC, or the preset threshold is predefined based on a protocol between the terminal and the network side device.
  • the embodiment of the present application also provides a network side device, including a processor and a communication interface, the processor is used to configure parameter configuration information corresponding to one or more service cells; the communication interface is used to send the parameter configuration information to the terminal; the parameter configuration information includes a TAG identifier, and the TAG identifier is associated with a respective transmission object; the parameter configuration information is used to determine the uplink transmission time of the target transmission object corresponding to the target service cell.
  • This network side device embodiment corresponds to the above-mentioned network side device method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to this network side device embodiment, and can achieve the same technical effect.
  • the embodiment of the present application also provides a network side device.
  • the network side device 1100 includes: an antenna 111, a radio frequency device 112, a baseband device 113, a processor 114 and a memory 115.
  • the antenna 111 is connected to the radio frequency device 112.
  • the radio frequency device 112 receives information through the antenna 111 and sends the received information to the baseband device 113.
  • the baseband device 113 processes the information to be sent and sends it to the radio frequency device 112 .
  • the radio frequency device 112 processes the received information and sends it out through the antenna 111 .
  • the method executed by the network-side device in the above embodiment may be implemented in the baseband device 113, which includes a baseband processor.
  • the baseband device 113 may include, for example, at least one baseband board, on which a plurality of chips are arranged, as shown in FIG11 , wherein one of the chips is, for example, a baseband processor, which is connected to the memory 115 through a bus interface to call a program in the memory 115 and execute the network device operations shown in the above method embodiment.
  • the network side device may also include a network interface 116, which is, for example, a common public radio interface (CPRI).
  • a network interface 116 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the network side device 1100 of the embodiment of the present application also includes: instructions or programs stored in the memory 115 and executable on the processor 114.
  • the processor 114 calls the instructions or programs in the memory 115 to execute the methods executed by the modules shown in Figure 6 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored.
  • a program or instruction is stored.
  • each process of the embodiment of the method for determining the uplink transmission time described above is implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.
  • An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned embodiment of the method for determining the uplink transmission time, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • An embodiment of the present application further provides a computer program/program product, which is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the various processes of the above-mentioned embodiment of the method for determining the uplink transmission time, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • An embodiment of the present application also provides a system for determining an uplink transmission time, comprising: a terminal and a network side device, wherein the terminal can be used to execute the steps of the method for determining the uplink transmission time applied to the terminal side as described above, and the network side device can be used to execute the steps of the method for determining the uplink transmission time applied to the network side device as described above.
  • the technical solution of the present application can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.
  • a storage medium such as ROM/RAM, a magnetic disk, or an optical disk
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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Abstract

La présente demande se rapporte au domaine technique des communications et divulgue un procédé de détermination de temps de transmission en liaison montante, ainsi qu'un terminal et un dispositif côté réseau. Le procédé comprend les étapes consistant à : recevoir, en provenance du dispositif côté réseau, des informations de configuration de paramètre correspondant à une ou plusieurs cellules de desserte, les informations de configuration de paramètre comprenant des identifiants de groupe d'avance temporelle (TAG) qui sont associés à des objets de transmission respectifs ; en fonction des informations de configuration de paramètre, déterminer, parmi les objets de transmission correspondant à la ou aux cellules de desserte, un objet de transmission cible correspondant à une cellule de desserte cible où se trouve le terminal ; et déterminer un temps de transmission en liaison montante de l'objet de transmission cible selon un identifiant TAG cible associé à l'objet de transmission cible.
PCT/CN2023/128589 2022-11-07 2023-10-31 Procédé de détermination de temps de transmission en liaison montante, terminal et dispositif côté réseau WO2024099181A1 (fr)

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CN202211385356.2A CN117998565A (zh) 2022-11-07 2022-11-07 上行传输时间的确定方法、终端及网络侧设备
CN202211385356.2 2022-11-07

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WO2024099181A1 true WO2024099181A1 (fr) 2024-05-16

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Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2020215108A2 (fr) * 2020-08-06 2020-10-22 Futurewei Technologies, Inc. Système et procédé de synchronisation montante de communicatons multipoints
US20220210825A1 (en) * 2020-12-28 2022-06-30 Samsung Electronics Co., Ltd. Method and apparatus of uplink timing adjustment

Patent Citations (2)

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Publication number Priority date Publication date Assignee Title
WO2020215108A2 (fr) * 2020-08-06 2020-10-22 Futurewei Technologies, Inc. Système et procédé de synchronisation montante de communicatons multipoints
US20220210825A1 (en) * 2020-12-28 2022-06-30 Samsung Electronics Co., Ltd. Method and apparatus of uplink timing adjustment

Non-Patent Citations (2)

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Title
NOKIA, NOKIA SHANGHAI BELL: "Two TAs for UL multi-DCI multi-TRP operation", 3GPP DRAFT; R1-2204539, vol. RAN WG1, 29 April 2022 (2022-04-29), pages 1 - 7, XP052153576 *
ZTE: "TA enhancement for multi-DCI", 3GPP DRAFT; R1-2203264, vol. RAN WG1, 29 April 2022 (2022-04-29), pages 1 - 9, XP052152900 *

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